package springcloud.controller;


import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;
import springcloud.common.PaymentPrefix;
import springcloud.entities.CommonResult;
import springcloud.entities.Payment;
import springcloud.service.PaymentService;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;


@Slf4j
@RestController
public class PaymentController {
    @Resource
    private PaymentService paymentService;

    @Value("${server.port}")
    private String serverPort;

    @PostMapping(value = "/payment/create")
/*    public CommonResult create (@RequestBody Payment payment){
        int result = paymentService.createPayment(payment);
        log.info("插入结果: " + result);
        if (result > 0){
            return new CommonResult(200,"插入数据库成功",result);
        }
        else{
            return new CommonResult(500,"插入数据库失败",null);
        }
    }*/
    public CommonResult create (@RequestBody String serial){
        Payment payment = new Payment();
        payment.setSerial(PaymentPrefix.serialPrefix+serial);
        int result = paymentService.createPayment(payment);
        log.info("插入结果: " + result);
        if (result > 0){
            return new CommonResult(200,"插入数据库成功: "+ serverPort,result);
        }
        else{
            return new CommonResult(500,"插入数据库失败",null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id")Long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("查询结果: " + payment);
        if(payment != null){
            return new CommonResult(200,"查询记录成功: "+ serverPort,payment);
        }
        else{
            return new CommonResult(501,"没有对应记录ID:"+id,null);
        }
    }

    @Resource
    private DiscoveryClient discoveryClient;

    @GetMapping(value = "/payment/discovery")
    public Object discovery(){
        //获取所有服务
        List<String> services = discoveryClient.getServices();
        for (String service : services) {
            log.info("#####element: " + service);
        }
        //获得某一服务的所有服务实例
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-CONSUMER-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getInstanceId() + "\t" +
                     instance.getHost() + "\t" +
                     instance.getPort() + "\t" +
                    instance.getUri());
        }
        return this.discoveryClient;
    }

    @GetMapping(value = "/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }


    //Feign超时测试
    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout(){
        try {
            TimeUnit.SECONDS.sleep(3);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        return serverPort;
    }
}
